<template>
  <div class="login-container">
    <div class="content">
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        auto-complete="on"
        label-position="left"
      >
        <div class="title-container">
          <!-- <img src="../../../public/logo.png" alt /> -->
          <span class="title">疫情数据可视化平台</span>
        </div>

        <el-form-item style="background-color: #fff;" prop="username">
          <el-input
            style="color:#333"
            ref="username"
            v-model="loginForm.username"
            placeholder="Username"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-form-item style="background-color: #fff;" prop="password">
          <el-input
            :key="passwordType"
            style="color:#333"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="Password"
            name="password"
            tabindex="2"
            auto-complete="on"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>

        <el-button
          :loading="loading"
          style="width:100%;height:47px;background-color: #19b394;border:none;color:#fff;margin-top:20px;"
          @click.native.prevent="handleLogin"
        >登录</el-button>
      </el-form>
    </div>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";

export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      callback();
    };
    const validatePassword = (rule, value, callback) => {
      callback();
    };
    return {
      loginForm: {
        username: "admin",
        type: "admin",
        password: "123321"
      },
      user:{
      username: "admin",
        type: "admin",
        password: "123321"
      },
      user1:{
         username: "luowenyang",
          type: "罗文洋",
        password: "123321"
      },
       user2:{
         username: "caoyanghua",
        type: "曹旸华",
        password: "123321"
      },
      user3:{
        username: "huangqingyun",
        type: "黄青云",
        password: "123321"
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername }
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword }
        ]
      },
      loading: false,
      passwordType: "password",
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() { 
      if(this.loginForm.username === this.user.username && this.loginForm.password === this.user.password)
      {
      this.$message.success('登录成功！');
      window.sessionStorage.setItem("token","我是token");
      window.sessionStorage.setItem("nickname",this.user.type);
      this.$router.push("/");
      }
      else if(this.loginForm.username === this.user1.username && this.loginForm.password === this.user1.password)
      {
      this.$message.success('登录成功！');
      window.sessionStorage.setItem("token","我是token");
      window.sessionStorage.setItem("nickname",this.user1.type);
      this.$router.push("/");
      }
      else if(this.loginForm.username === this.user2.username && this.loginForm.password === this.user2.password)
      {
      this.$message.success('登录成功！');
      window.sessionStorage.setItem("token","我是token");
       window.sessionStorage.setItem("nickname",this.user2.type);
      this.$router.push("/");
      }
      else if(this.loginForm.username === this.user3.username && this.loginForm.password === this.user3.password)
      {
      this.$message.success('登录成功！');
      window.sessionStorage.setItem("token","我是token");
       window.sessionStorage.setItem("nickname",this.user3.type);
      this.$router.push("/");
      }

      else{
        this.$message.error('用户名或密码错误！');
        this.$router.push("/login");
      }
    }
  }
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #3d4e66;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: #333;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #3d4e66;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 100px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  .content {
    width: 490px;
    height: 560px;
    background-image: url(../../../public/bg.png);
    background-repeat: no-repeat;
    margin: 0 auto;
    margin-top: 60px;
  }
  .title-container {
    margin-bottom: 30px;
    line-height: 41px;
    text-align: center;
  }
  .title-container span {
    text-align: center;
    height: 41px;
    margin-top: 0px;
    font-size: 16px;
    font-weight: 100;
    line-height: 41px;
  }
  .title-container img {
    margin-bottom: -7px;
  }
}
.num {
  text-align: center;
  position: absolute;
  bottom: 5px;
  font-size: 14px;
  color: #fff;
  margin-left: 162px;
}
.num img {
  height: 12px;
  width: 12px;
  text-align: center;
  line-height: 48;
}
</style>
